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Re: SRSG motor power



Tesla list wrote:

> Original poster: "David Dean" <deano-at-corridor-dot-net>
>
> > Someone suggested using a variac to vary the phase angle of the SRSG while
> > it is running.
> <snip>
> ... can be had. At the lower voltage the current will be lower and the
> magnetic field weaker. The physical poles of the stator will not be aligned
> with the position of the armature poles to the same degree as when rated
> voltage is used. The stator will be _lagging_ or retarded in timing (to make
> an analogy to a car engine). At the high voltage the stator poles will be
> aligned more perfectly with the rotating magnetic field of the armature, and
> thus _advance_ the timing to some degree.
> <snip>

>From what your saying; the load on the motor makes it lag behind perfect
alignment, decreasing the voltage makes it lag more, increasing the voltage
makes it lag less.

Ok, could you increase the lag by increasing the load? Say by putting something
like paddles in unused electrode holes to increase wind resistance?

Just a thought

Paul